How far is Great Falls, MT, from Erie, PA?
The distance between Erie (Erie International Airport) and Great Falls (Great Falls International Airport) is 1567 miles / 2522 kilometers / 1362 nautical miles.
The driving distance from Erie (ERI) to Great Falls (GTF) is 1824 miles / 2935 kilometers, and travel time by car is about 33 hours 35 minutes.
Erie International Airport – Great Falls International Airport
Search flights
Distance from Erie to Great Falls
There are several ways to calculate the distance from Erie to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1567.330 miles
- 2522.374 kilometers
- 1361.973 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1563.281 miles
- 2515.857 kilometers
- 1358.454 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from Erie to Great Falls?
The estimated flight time from Erie International Airport to Great Falls International Airport is 3 hours and 28 minutes.
What is the time difference between Erie and Great Falls?
The time difference between Erie and Great Falls is 2 hours. Great Falls is 2 hours behind Erie.
Flight carbon footprint between Erie International Airport (ERI) and Great Falls International Airport (GTF)
On average, flying from Erie to Great Falls generates about 184 kg of CO2 per passenger, and 184 kilograms equals 405 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Erie to Great Falls
See the map of the shortest flight path between Erie International Airport (ERI) and Great Falls International Airport (GTF).
Airport information
| Origin | Erie International Airport |
|---|---|
| City: | Erie, PA |
| Country: | United States  |
| IATA Code: | ERI |
| ICAO Code: | KERI |
| Coordinates: | 42°4′55″N, 80°10′34″W |
| Destination | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |